📝 Add hide-output for some cells & links to storage engines

[Zethson]

Fixes https://github.com/laminlabs/lamindb/issues/2150

• Adds hide-output to cells that emit the "run input was not tracked" warning. At this point, ln.track() has not been introduced so we are not using it in the tutorials
• Adds hyperlinks to storage engines that have not been introduced at this point. I am convinced that most users have no idea what they are and just dropping them doesn't work and leaves readers confused. Maybe we need to introduce them in a drop down in 1-2 sentences each while also explaining what a storage engine in general is. For now, I've added hyperlinks that come at the risk of being outdated. However, these URLs should be fairly stable.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 92.61%. Comparing base (57fbd29) to head (b7fcd46). Report is 21 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #2151 +/- ## ========================================== + Coverage 92.53% 92.61% +0.08% ========================================== Files 55 55 Lines 6467 6483 +16 ========================================== + Hits 5984 6004 +20 + Misses 483 479 -4 ```

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